senator dianne feinstein say it is conviction rate is higher in federal law than a military tribunal. >> it is clear to me, they are skilled, they know how to do this. >> reporter: feinstein calls for federal prosecutors to seek the death penalty. >>> people gathered for an interfaith memorial for the victims. the crowd sang, prayed and stood together at the memorial. three people were killed in the bombings as well as a fallen mit police officer. he was killed later on. the governor of massachusetts has asked residents to observe a moment of silence. the time the first of those two bombs went off. >>> our coverage of the boston bombing continues. coming up a little bit later at 10:30, we will go live to boston where that city took a major step toward healing. >>> here at home faa furloughs of air traffic controllers began today but the real test is tomorrow. the first business day of the week. delays could run for hours at major hubs such as atlanta and new york. because of sequester cuts all air traffic controllers may take one day off every two weeks. that means most towers will lo